static void
test_buffer_ref (void)
{
GtkSourcePrintCompositor *compositor;
GtkSourceBuffer *buffer = NULL;
GtkSourceBuffer *buffer_original = NULL;
buffer_original = gtk_source_buffer_new (NULL);
compositor = gtk_source_print_compositor_new (buffer_original);
buffer = gtk_source_print_compositor_get_buffer (compositor);
g_assert (GTK_SOURCE_IS_BUFFER (buffer));
g_object_unref (G_OBJECT (buffer_original));
buffer = gtk_source_print_compositor_get_buffer (compositor);
g_assert (GTK_SOURCE_IS_BUFFER (buffer));
}
static void
gui_editor_begin_print (GtkPrintOperation *operation, GtkPrintContext *context, GUIEditor *editor)
{
g_assert (editor->buffer);
/* Create a print compositor from the buffer */
editor->print_compositor = gtk_source_print_compositor_new (editor->buffer);
/* Set some formatting options for pages */
gtk_source_print_compositor_set_print_header (editor->print_compositor, TRUE);
gtk_source_print_compositor_set_print_footer (editor->print_compositor, TRUE);
gtk_source_print_compositor_set_header_format (editor->print_compositor, TRUE, NULL, "%N/%Q", NULL);
gtk_source_print_compositor_set_footer_format (editor->print_compositor, TRUE, NULL, PACKAGE_URL, NULL);
gtk_source_print_compositor_set_left_margin (editor->print_compositor, 15.0, GTK_UNIT_MM);
gtk_source_print_compositor_set_right_margin (editor->print_compositor, 15.0, GTK_UNIT_MM);
gtk_source_print_compositor_set_bottom_margin (editor->print_compositor, 15.0, GTK_UNIT_MM);
/* Pagination */
while (!gtk_source_print_compositor_paginate (editor->print_compositor, context));
gtk_print_operation_set_n_pages (operation, gtk_source_print_compositor_get_n_pages (editor->print_compositor));
}
/* Callback for beginning the print operation, we give the printed pages our
tab width from the preferences, and the margins from the page setup dialog. */
static void
on_begin_print(GtkPrintOperation *print, GtkPrintContext *context,
I7Document *document)
{
I7App *theapp = i7_app_get();
GSettings *prefs = i7_app_get_prefs(theapp);
GtkSourcePrintCompositor *compositor = gtk_source_print_compositor_new(i7_document_get_buffer(document));
g_signal_connect(print, "draw-page", G_CALLBACK(on_draw_page), compositor);
g_signal_connect(print, "end-print", G_CALLBACK(on_end_print), compositor);
/* Design our printed page */
unsigned tabwidth = g_settings_get_uint(prefs, PREFS_TAB_WIDTH);
if(tabwidth == 0)
tabwidth = DEFAULT_TAB_WIDTH;
gtk_source_print_compositor_set_tab_width(compositor, tabwidth);
gtk_source_print_compositor_set_wrap_mode(compositor, GTK_WRAP_WORD_CHAR);
PangoFontDescription *font = get_font_description();
gchar *fontstring = pango_font_description_to_string(font);
pango_font_description_free(font);
gtk_source_print_compositor_set_body_font_name(compositor, fontstring);
g_free(fontstring);
GtkPageSetup *setup = i7_app_get_page_setup(i7_app_get());
gtk_source_print_compositor_set_top_margin(compositor, gtk_page_setup_get_top_margin(setup, GTK_UNIT_MM), GTK_UNIT_MM);
gtk_source_print_compositor_set_bottom_margin(compositor, gtk_page_setup_get_bottom_margin(setup, GTK_UNIT_MM), GTK_UNIT_MM);
gtk_source_print_compositor_set_left_margin(compositor, gtk_page_setup_get_left_margin(setup, GTK_UNIT_MM), GTK_UNIT_MM);
gtk_source_print_compositor_set_right_margin(compositor, gtk_page_setup_get_right_margin(setup, GTK_UNIT_MM), GTK_UNIT_MM);
/* Display a notification in the status bar while paginating */
i7_document_display_status_message(document, _("Paginating..."), PRINT_OPERATIONS);
while(!gtk_source_print_compositor_paginate(compositor, context)) {
i7_document_display_progress_percentage(document, gtk_source_print_compositor_get_pagination_progress(compositor));
while(gtk_events_pending())
gtk_main_iteration();
}
i7_document_display_progress_percentage(document, 0.0);
i7_document_remove_status_message(document, PRINT_OPERATIONS);
gtk_print_operation_set_n_pages(print, gtk_source_print_compositor_get_n_pages(compositor));
}
